http://blogs.technet.com/b/lystavlen/archive/2013/01/24/welcome-polaris.aspxThe CRM Online December 2012 Update aka Polaris has been rolled out to our datacenters and existing tenants have been upgraded. You will enjoy a brand new form experience for many of the entities, e.g the Account entity (see below) Opt-In en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)